/*------------------------------------------------------------------------------*/
function checkEmptyValue(form_elt)
{
	//var str = cleanDBStr(form_elt.value);
	var str = form_elt.value;
	if(str=="")
	{
		form_elt.style.backgroundColor=globalAlertColor;
		closeWaitingScreen();
		return false;
	}
	else
	{
		form_elt.style.backgroundColor=globalNormalColor;		
		return true;
	}
}

/*------------------------------------------------------------------------------*/
function checkEmptyPwdValue(form_elt)
{
	var str = form_elt.value;
	if(str=="")
	{
		form_elt.style.backgroundColor=globalAlertColor;
		closeWaitingScreen();
		return false;
	}
	else
	{
		form_elt.style.backgroundColor=globalNormalColor;		
		return true;
	}
}

/*------------------------------------------------------------------------------*/
function checkEmptySelect(form_elt)
{
	var oneSelected = false;
	var len = form_elt.length;
	for (i = 0; i < len; i++) 
	{
		if (form_elt[i].selected) 
		{
			oneSelected = true;
		}
	}
	if(oneSelected == false)
	{
		form_elt.style.backgroundColor=globalAlertColor;
		closeWaitingScreen();
		return false;
	}
	else
	{
		form_elt.style.backgroundColor=globalNormalColor;		
		return true;
	}
}

/*------------------------------------------------------------------------------*/
function checkDateValue(form_elt)
{
	if(form_elt.value=="")
	{
		form_elt.style.backgroundColor=globalAlertColor;
		closeWaitingScreen();
		return false;
	}
	else
	{
		if(!isDate(form_elt.value))
		{
			form_elt.style.backgroundColor=globalAlertColor;
			closeWaitingScreen();
			return false;
		}
		else
		{
			form_elt.style.backgroundColor=globalNormalColor;		
			return true;
		}
	}
}